IronLanguages / IronLanguages/ironpython3
`(yield)` produces a `NotImplementedError` instead of `SyntaxError`
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- C#
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Description
The expression (yield) produces a NotImplementedError instead of the expected a SyntaxError: 'yield' outside function. Found this during https://github.com/IronLanguages/ironpython3/pull/2048 while playing with the fuzz parser.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing (yield) through the fuzz parser mentioned in the issue and trace where it is rejected. Locate the parser or compiler path that raises NotImplementedError, then add or update coverage so the expression produces SyntaxError with the expected message.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- csharp, python
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 50/100